Run .clang-format

Format all the code under `include` and `src` except those files under
`src/speex` with style setting in `.clang-format` file by the following
script:

```sh

FILE_LIST="$(find "include" "src" -not -path "src/speex/*" | grep -E ".*(\.cpp|\.c|\.h|\.hpp|\.hh)$")"

echo "Files found to format:\n---\n$FILE_LIST\n---"

clang-format --verbose -i $FILE_LIST
```

1 files changed, 12 insertions, 13 deletions

diff --git a/src/cubeb_mixer.h b/src/cubeb_mixer.h
index d43a237..1859dab 100644
--- a/src/cubeb_mixer.h
+++ b/src/cubeb_mixer.h
@@ -15,20 +15,19 @@ extern "C" {
 #endif
 
 typedef struct cubeb_mixer cubeb_mixer;
-cubeb_mixer * cubeb_mixer_create(cubeb_sample_format format,
-                                 uint32_t in_channels,
-                                 cubeb_channel_layout in_layout,
-                                 uint32_t out_channels,
-                                 cubeb_channel_layout out_layout);
-void cubeb_mixer_destroy(cubeb_mixer * mixer);
-int cubeb_mixer_mix(cubeb_mixer * mixer,
-                    size_t frames,
-                    const void * input_buffer,
-                    size_t input_buffer_size,
-                    void * output_buffer,
-                    size_t output_buffer_size);
+cubeb_mixer *
+cubeb_mixer_create(cubeb_sample_format format, uint32_t in_channels,
+                   cubeb_channel_layout in_layout, uint32_t out_channels,
+                   cubeb_channel_layout out_layout);
+void
+cubeb_mixer_destroy(cubeb_mixer * mixer);
+int
+cubeb_mixer_mix(cubeb_mixer * mixer, size_t frames, const void * input_buffer,
+                size_t input_buffer_size, void * output_buffer,
+                size_t output_buffer_size);
 
-unsigned int cubeb_channel_layout_nb_channels(cubeb_channel_layout channel_layout);
+unsigned int
+cubeb_channel_layout_nb_channels(cubeb_channel_layout channel_layout);
 
 #if defined(__cplusplus)
 }